SAM SMITH has dropped the biggest hint yet that he will be singing the theme track for the latest James Bond film Spectre.

The four-time Grammy Award winner was hotly tipped to be the next 007 hitmaker on the upcoming movie's title track before he denied any involvement on the project during a radio show last week.

But Sam’s latest post on Twitter - a ring with the Spectre logo on it - suggests the 23-year-old could be the singer behind the theme track.

Sam didn't caption the photo of him wearing the simple silver ring embossed with the eight-legged octopus logo from the Special Executive for Counter-Intelligence, Terrorism, Revenge and Extortion.

The lack of a caption alongside the mysterious photograph will lead to more speculation the singer will be following in Adele's footsteps, despite his earlier denials.

Last week on BBC Radio 2 Sam was asked whether he's currently working on the 007 music.

He said: "That's not me. That's definitely not me. I've still got loads to do, I've got an Australia tour, but I kind of finish in December which is great, it gives me a chance to be in London, be in my home and go out with my friends."

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Sam said he's been too busy shedding the pounds and buying a house to think about it.

He added: "I had the Grammys in February which was unreal. I've done two American tours, one throat operation on the vocal cords. I bought a house, which is amazing. I lost weight, that's probably a good thing. I was really fat before. Trust me, I was fat."